[Slowly, but it's still happening. So she keeps at it in a manner that's almost attentive, but once he's just hard enough, unarguably so, she pulls away quickly, making sure to reach up and get his hands from her head.]

Fred, you know the definition of insanity, right?

[He probably doesn't know what the word 'diagonal' means right now, so she's just being a bit of a jerk again.]

It's doing the same thing over and over again while expecting a different end result. So let's not keep this up, okay?

[She pulls at his hips, tries to get him to join her on the cabin floor. No more blowjobs for the moment, but she could certainly ride him.]